CN219404154U - Frock is dismantled to bearing inner race - Google Patents

Abstract

The application discloses frock is dismantled to bearing inner race, including screw thread location axle sleeve, locating piece combination, tight piece and locking location axle sleeve that rises, wherein, screw thread location axle sleeve including have the locating shaft of screw thread and rather than fixed barrier plate, the locating piece combination inside hold tight piece that rises, the cavity position of tight piece can pass the locating shaft, locking location axle sleeve have the internal thread and with screw thread cooperation screw up the back will screw thread location axle sleeve the locating piece combination with tight piece that rises is fixed as an organic wholely, the periphery of locating piece combination with the internal surface top of bearing inner race tightly, still include with screw thread cooperation be used for with the pull part that the bearing inner race pulled out under the exogenic action. The application provides an above-mentioned frock is dismantled to bearing inner race can more conveniently take out tensioning roller bearing inner race, reduces the maintenance degree of difficulty, avoids extravagant maintenance time, improves the production efficiency of equipment.

Description

Frock is dismantled to bearing inner race

Technical Field

The utility model relates to the technical field of machine maintenance tools, in particular to a bearing outer ring dismounting tool.

Background

In the production process of the cigarette machine set, a feeding slivering machine provides evenly loose tobacco shreds for a winding forming machine, wherein a conveying belt is a main conveying element, as shown in fig. 1, fig. 1 is a schematic diagram of the structure of the conventional conveying belt, and the conventional conveying belt consists of a conveying belt 1, a conveying roller 2, a bracket 3, a tensioning roller 4, a bearing 5 and a tensioning roller shaft 6. When the tobacco shreds are conveyed, tobacco dust often enters the conveying belt, dust is accumulated between the conveying belt and the driving roller and the tensioning roller over time, and the temperature of the conveying belt is easily increased during operation under the driving of the driving roller, so that the bearings of the driving roller and the tensioning roller are overheated and locked. When the conveyer belt is replaced, because of the conveyer belt quality problem, adjustment conveyer belt pulling force is too big, can lead to driving roller and tensioning roller bearing load great, the high temperature in operation, the bearing is locked easily, need shut down the bearing of changing driving roller and tensioning roller, but because the tensioning roller is longer hollow steel roll, the bearing is inlayed respectively to the tensioning roller both sides, the structure is comparatively inseparable, often lead to tensioning roller bearing holder to damage when changing the bearing, after the bearing damages, the bearing outer lane remains in the tensioning roller, the claw point of current three-jaw puller can't block the bearing outer lane, consequently, very difficult dismantlement comes out the bearing outer lane, it all needs several maintenance personal to mutually support to dismantle the bearing outer lane each time, beat repeatedly with a striking axle, get out the bearing outer lane, more waste time and energy, seriously influence the effective operating factor of equipment, this process is likely to cause the conveyer belt tensioning roller to damage or scrap.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the bearing outer ring dismounting tool which can more conveniently take out the outer ring of the tensioning roller bearing, reduce the maintenance difficulty, avoid wasting maintenance time and improve the production efficiency of equipment.

The utility model provides a bearing outer ring dismounting tool which comprises a threaded positioning shaft sleeve, a positioning block assembly, a tensioning block and a locking positioning shaft sleeve, wherein the threaded positioning shaft sleeve comprises a positioning shaft with threads and a blocking plate fixed with the positioning shaft, the tensioning block is accommodated in the positioning block assembly, a hollow part of the tensioning block can penetrate through the positioning shaft, the locking positioning shaft sleeve is provided with internal threads and is matched with the threads to be screwed tightly, the threaded positioning shaft sleeve, the positioning block assembly and the tensioning block are fixed into a whole, the outer periphery of the positioning block assembly is propped tightly against the inner surface of the bearing outer ring, and the bearing outer ring dismounting tool further comprises a drawing part matched with the threads and used for drawing out the bearing outer ring under the action of external force.

Preferably, in the bearing outer ring dismounting tool, the blocking plate is a circular plate.

Preferably, in the bearing outer ring dismounting tool, the positioning block combination comprises a plurality of split positioning units.

Preferably, in the bearing outer ring dismounting tool, the number of the positioning units is 3 or 4.

Preferably, in the bearing outer ring dismounting tool, an outer peripheral portion of the positioning block assembly is circular.

Preferably, in the bearing outer ring dismounting tool, the hollow part of the tensioning block is a circular through hole.

Preferably, in the bearing outer ring dismounting tool, the drawing component is a drawing hammer.

According to the technical scheme, the bearing outer ring dismounting tool comprises the threaded positioning shaft sleeve, the positioning block combination, the tensioning block and the locking positioning shaft sleeve, wherein the threaded positioning shaft sleeve comprises a threaded positioning shaft and a blocking plate fixed with the threaded positioning shaft, the tensioning block is accommodated in the positioning block combination, a hollow part of the tensioning block can penetrate through the positioning shaft, the locking positioning shaft sleeve is provided with internal threads and is screwed with the threads in a matched manner, the threaded positioning shaft sleeve, the positioning block combination and the tensioning block are fixed into a whole, the outer periphery of the positioning block combination is tightly propped against the inner surface of the bearing outer ring, and the pulling part matched with the threads and used for pulling out the bearing outer ring under the action of external force is further included, so that the tensioning roller bearing outer ring can be taken out more conveniently, the maintenance difficulty is reduced, the waste of maintenance time is avoided, and the production efficiency of equipment is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a conventional conveyor belt;

fig. 2 is an exploded view of an embodiment of a bearing outer ring disassembly tool provided by the utility model.

Detailed Description

The utility model aims to provide a bearing outer ring dismounting tool which can more conveniently take out the outer ring of a tensioning roller bearing, reduce maintenance difficulty, avoid wasting maintenance time and improve production efficiency of equipment.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

An embodiment of a bearing outer ring dismounting tool provided by the utility model is shown in fig. 2, fig. 2 is an exploded view of an embodiment of the bearing outer ring dismounting tool provided by the utility model, the bearing outer ring dismounting tool can comprise a threaded positioning shaft sleeve 101, a positioning block assembly 102, a tensioning block 103 and a locking positioning shaft sleeve 104, wherein the threaded positioning shaft sleeve 101 can comprise a positioning shaft 1011 with threads and a blocking plate 1012 fixed with the positioning shaft 1011, the tensioning block 103 can be accommodated in the positioning block assembly 102, a hollow part of the tensioning block 103 can pass through the positioning shaft 1011, the locking positioning shaft sleeve 104 is provided with internal threads and is screwed with the threads of the positioning shaft 1011 to fix the threaded positioning shaft sleeve 101, the positioning block assembly 102 and the tensioning block 103 into a whole, the outer periphery of the positioning block assembly 102 is propped against the inner surface of the bearing outer ring, and a drawing part (not shown in the drawing part) which is matched with the threads of the positioning shaft 1011 and is used for drawing the bearing outer ring under the action of external force.

When the tool is used for disassembling the bearing outer ring, the threaded positioning shaft sleeve 101 penetrates through the inside of the bearing outer ring, the threaded positioning shaft sleeve 101 is placed into a tension roller of a conveying belt, the positioning block combination 102, the tension block 103 and the locking positioning shaft sleeve 104 are also placed into the tension roller, then, the other side of the bearing outer ring is matched with the locking positioning shaft sleeve 104, the outer ring of the locking positioning block combination 102 and the tension block 103 ensure that the tool is kept integrally and is not deformed under the action of external force, so that the locking positioning shaft sleeve 104 is utilized to form a complete tool, the surface of the tool is completely matched with the bearing inner ring, then, a drawing part is utilized to be fixed with the tool, and the bearing outer ring is drawn out from the tension roller, wherein the specific type of the drawing part is not limited.

According to the technical scheme, in the embodiment of the bearing outer ring dismounting tool provided by the utility model, the bearing outer ring dismounting tool comprises the threaded positioning shaft sleeve, the positioning block combination, the tensioning block and the locking positioning shaft sleeve, wherein the threaded positioning shaft sleeve comprises a threaded positioning shaft and a blocking plate fixed with the threaded positioning shaft, the tensioning block is accommodated in the positioning block combination, the hollow part of the tensioning block can penetrate through the positioning shaft, the locking positioning shaft sleeve is provided with internal threads and is tightly screwed with the threads in a matched manner, the threaded positioning shaft sleeve, the positioning block combination and the tensioning block are fixed into a whole, the outer periphery of the positioning block combination is tightly propped against the inner surface of the bearing outer ring, and the drawing part matched with the threads and used for drawing out the bearing outer ring under the action of external force is further included, so that the tensioning roller bearing outer ring can be taken out more conveniently, the maintenance difficulty is reduced, the waste of maintenance time is avoided, and the production efficiency of equipment is improved.

In a specific embodiment of the bearing outer ring dismounting tool, the blocking plate 1012 may be preferably a circular plate, so that the shape of the space inside the tensioning roller can be matched with the shape of the space inside the tensioning roller, so that the space inside the tensioning roller can be more conveniently moved in and out, and the shape can be adaptively adjusted according to actual needs, which is not limited herein.

In another embodiment of the bearing outer ring disassembly tool, with continued reference to fig. 2, the positioning block assembly 102 may include a plurality of split positioning units 1021 and 1022, and each of the positioning units may be split into two halves and disposed face-to-face, which is easier to disassemble, and can form a complete circumference after all of the positioning units are combined. Further, the number of the positioning units may be preferably 3 or 4, which may be selected according to practical needs.

In still another specific embodiment of the foregoing bearing outer ring dismounting tool, the outer peripheral portion of the positioning block assembly may be preferably circular, and the circular outer peripheral portion may be guaranteed to be in contact with the inner surface of the bearing outer ring everywhere, so that the contact area is larger, the friction force is larger, the bearing outer ring is easier to pull out, and the circular diameter is adapted to the inner diameter of the bearing outer ring, so that the corresponding positioning block assembly may be selected according to the inner diameter of the bearing outer ring desired to be pulled out.

In a preferred embodiment of the bearing outer ring dismounting tool, the hollow portion of the tensioning block 103 may be a circular through hole, so that the threaded positioning shaft sleeve 101 can be ensured to pass through conveniently, and the shape can be adaptively adjusted according to actual needs, which is not limited herein.

In another preferred embodiment of the bearing outer ring disassembling tool, the pulling component may be a pulling hammer, or may be fixed to the whole tool by threads on the pulling hammer, and then the pulling hammer is pulled with force, so that the bearing outer ring can be conveniently removed.

To sum up, adopting above-mentioned frock is dismantled to bearing inner race that this application provided, testing the frock when maintenance many times, the effect is all very good, can take out the bearing inner race fast and not harm the conveyer belt take-up pulley, practices thrift cost of maintenance, improves equipment effective operation rate.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. The utility model provides a frock is dismantled to bearing inner race, its characterized in that includes screw thread location axle sleeve, locating piece combination, tight piece and locking location axle sleeve, wherein, screw thread location axle sleeve is including having the locating shaft of screw thread and rather than fixed barrier plate, the locating piece combination inside hold tight piece that rises, the cavity position of tight piece can pass the locating shaft, locking location axle sleeve have the internal screw thread and with screw thread cooperation is screwed up the back will screw thread location axle sleeve the locating piece combination with tight piece that rises is fixed as an organic whole, the periphery of locating piece combination is tightly with the internal surface top of bearing inner race, still include with screw thread cooperation be used for with the pull part that the bearing outer race pulled out under the exogenic action.

2. The bearing outer race disassembly tool of claim 1 wherein the blocking plate is a circular plate.

3. The bearing outer race disassembly tool of claim 1, wherein the positioning block assembly comprises a plurality of split positioning units.

4. A bearing outer race disassembly tooling as claimed in claim 3 wherein the number of locating units is 3 or 4.

5. The bearing outer ring dismounting tool according to claim 3, wherein the outer periphery of the positioning block combination is circular.

6. The bearing outer ring dismounting tool according to claim 1, wherein the hollow part of the tensioning block is a circular through hole.

7. The bearing outer race disassembly tool of claim 1, wherein the pull component is a pull hammer.